Respuesta :

now, if the diameter is 8 units, then the radius is half that, or 4.

[tex]\bf \textit{volume of a cylinder}\\\\ V=\pi r^2 h\quad \begin{cases} r=radius\\ h=height\\ ------\\ r=4\\ h=12 \end{cases}\implies V=\pi 4^2\cdot 12\implies V=192\pi [/tex]
Dukuccino
Its B) 192π~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`

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